[1] Lighthill, M.J., "On Sound Generated Arodynamically: 1. General Theory", Proc. Roy. Soc., Vol. 211, No. 1107, pp 564-587, (1952).
[2] Mukker, E. A. (Editor), "Mechanics of Sound Generation in Flow", Sound Generation by Flow-acoustic Coupling (Ramakrishnan & Davies)", Springer-Verlag, pp. 62-68 (1979).
[3] Arina, R., Malvano, R., Piccato, A., and Spazzini, P.G., "Numerical and Experimental Analysis of Sound Generated by an Orifice", 13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference), Roma (Italy), 21-23 May, (2007).
[4] Mongeau, Z. Z. L., and Frankel, S. H.," Broadband Sound Generation by Confined Turbulent Jets", Journal of Acoustical Society of America, Vol. 112, No. 2, pp. 677-689, (2002).
[5] Moore, P., Slot, H., and Boersma, B. J., "Simulation and Measurement of Flow Generated", Journal of Computational Physics,
Vol. 224, Issue. 1, pp. 449–463, (2007).
[6] Davies, P. O. A. L. "Flow-acoustic Coupling in Ducts", Journal of Sound and Vibration, Vol. 77, No. 2, pp. 191-209, (1981).
[7] United States Patent, "Eccentrically Nested Tube Gas Line Silencer ", Vol. 4, pp. 402,485, September 6, (1983).
[8] فائزیان، ع.، مدرس رضوی، م. ر. و انوراتی، آ.، " بررسی عوامل موثر بر عملکرد خفهکنها در موتورهای احتراق داخلی"، نشریه علمی پژوهشی مهندسی مکانیک انجمن مهندسان مکانیک ایران، سال ششم- شماره اول- شماره پیاپی7، (1383).
[9] Hassall, J. R., and Zaveri, K., "Acoustic Noise Measurements", Bruel & Kjaer, Printed in Denmark: K. Larsen & Son A/S, (1988).
[10] Michael Vorländer, "Fundamentals of Acoustics,Modelling, Simulation, Algorithms and Acoustic Virtual Reality", First edition, Springer-Verlag, Berlin Heidelberg, (2008).
[11] Crocker, M. J., (Edited), "Handbook of Noise and Vibration Control", John Wiley & Sons, Inc, New York, (2007).
[12] Wagner, C., Hu¨ TTL, T., and Sagaut, P., "Large Eddy Simulation for Acoustic", Cambridge University Press, London, (2007).
[13] ISA Standard Laboratory,"Measurement of Aerodynamic Noise Generated by Control Valves", ISA-S75.07-1997, Approved August 31, (1997).
[14] Bies, D. A., and Hansen, C. H., "Engineering Noise Control Theory and Practice Spon Press", Fourth edition, (2009).
[15] Baumann, H. D., Arant, J.B., Liptak, B.G., and Cain, F.M., "Valves: Noise Calculation, Prediction, and Reduction", Chapter n. 6-14 in, "Instrument Enginners' Handbook", Process Control and Optimization, Vol. II, by B. G. Liptak, Fourth Ed., Taylor & Francis Group, (2006).
